solar estimator for hot water and electric
This is for the US market based on Canadian software. It will give a very complete analysis of inital cost and payback with many financial breakdowns. It did not ask for my name, email, or other personal information. I prefer that.
On the main site below, "Find Solar", look to the left for a button "My Solar Estimator". Fill in the blanks.
Here is a link that might be useful: find solar - my solar estimator